research Evaluation of Efficacy of Water-Soluble Fraction of Rhus semialata Gall Extract and Penta-O-Galloyl-β-D-Glucose on Mitigation of Hair Loss: An In Vitro and Randomized Double-Blind Placebo-Controlled Clinical Study
In this study, the researchers found that the water-soluble fraction of Rhus semialata gall extract and its component Penta-O-Galloyl-β-D-Glucose promoted hair growth in human dermal papilla cells, and clinical trials supported these findings, showing improved hair density and appearance compared to placebo.



